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Finding the Fourth Proportional to 5,867.45, 8,801.18 and 2,167.77

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Solution

The fourth proportional to 5,867.45, 8,801.18 and 2,167.77 is: 3,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.45 : 8,801.18 = 2,167.77 : x
  2. Step 2: Convert to fraction form
    5,867.45/8,801.18 = 2,167.77/x
  3. Step 3: Cross multiply
    5,867.45x = 8,801.18 × 2,167.77
  4. Step 4: Simplify right side
    5,867.45x = 19,078,964.26
  5. Step 5: Solve for x
    x = 19,078,964.26/5,867.45
  6. Step 6: Final answer
    x = 3,251.66

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.